Hydrochloric Acid → 6-(Piperidin-4-ylamino)-4-trifluoromethyl-nicotinic acid methyl ester dihydrochloride
反応式
[CH3:1][O:2][C:3](=[O:28])[C:4]1[C:9]([C:10]([F:13])([F:12])[F:11])=[CH:8][C:7]([NH:14][CH:15]2[CH2:20][CH2:19][N:18](C(OC(C)(C)C)=O)[CH2:17][CH2:16]2)=[N:6][CH:5]=1.[ClH:29]>C1COCC1.O1CCOCC1>[ClH:29].[ClH:29].[CH3:1][O:2][C:3](=[O:28])[C:4]1[C:9]([C:10]([F:12])([F:13])[F:11])=[CH:8][C:7]([NH:14][CH:15]2[CH2:16][CH2:17][NH:18][CH2:19][CH2:20]2)=[N:6][CH:5]=1参加物
5
実験手順
A solution of 6-(1-tert-butoxycarbonyl-piperidin-4-ylamino)-4-trifluoromethyl-nicotinic acid methyl ester (1.65 g, 4.09 mmol) in THF (10 mL) and 4 M HCl in dioxane (20 mL) was stirred at rt for 1 h. The solvent was removed under reduced pressure and the crude product used in the consecutive step without further purification assuming quantitative deprotection and formation of the dihydrochloride salt. MS (ISP): 304.0 [M+H]+.
後処理
- customThe solvent was removed under reduced pressure
- customthe crude product used in the consecutive step without further purification
出典と根拠
- ORDレコード
- ord-9ba3ccdd275240768139745232f5cdce
- 出典データセット
- uspto-grants-2010_07
- 特許番号
- US07754744B2
反応ノート
読み込み中…